electrical basics Quiz
easy
15 Questions
Question 1 of 15
What is the SI unit of electric current?
Electric current is measured in Amperes.
Question 2 of 15
Which of the following is a good conductor of electricity?
Copper allows electric current to flow easily.
Question 3 of 15
What is the relationship between voltage (V), current (I), and resistance (R) in a circuit?
This is Ohm's Law.
Question 4 of 15
What is the SI unit of electric potential difference?
Electric potential difference is measured in Volts.
Question 5 of 15
Which of the following describes the flow of electric charge?
Electric current is the rate of flow of charge.
Question 6 of 15
What is the SI unit of electrical resistance?
Electrical resistance is measured in Ohms.
Question 7 of 15
What is the purpose of a fuse in an electrical circuit?
Fuses protect circuits by breaking the circuit if current exceeds safe levels.
Question 8 of 15
What does AC stand for?
AC stands for Alternating Current.
Question 9 of 15
What does DC stand for?
DC stands for Direct Current.
Question 10 of 15
Which component stores electrical energy in an electric circuit?
Capacitors store energy in an electric field.
Question 11 of 15
What is the unit of electric power?
Electric power is measured in Watts.
Question 12 of 15
In a series circuit, what is constant?
The current is the same through all components in a series circuit.
Question 13 of 15
What is the name given to the opposition to current flow in an AC circuit?
Impedance is the total opposition to current flow in an AC circuit.
Question 14 of 15
Which of the following is a type of passive electronic component?
Resistors are passive components; they do not require external power.
Question 15 of 15
What happens to the resistance of a conductor as its temperature increases?
Generally, the resistance of a conductor increases with temperature.
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